Fix org info in branding requests with known orgs

This wasn’t looking quite right in the case where an organisation is in
our list of domains.

app/utils.py

@@ -473,6 +473,10 @@ class AgreementInfo:
         else:
             return 'Can’t tell (domain is {})'.format(self._domain)
 
+    @property
+    def as_info_for_branding_request(self):
+        return self.owner or 'Can’t tell (domain is {})'.format(self._domain)
+
     @property
     def as_jinja_template(self):
         if self.crown_status is None: